DKIM key rotation

Actively rotating keys is a great way to help minimize the risk of your DKIM keys being compromised.

Here is a well thought out article on Best practices with key rotation: https://www.maawg.org/sites/maawg/files/news/M3AAWG_DKIM_Key_Rotation_BP-2013-12.pdf

 

Regardless of the procedure or practices you take away from reading the above article, one of the most important points is that key strengths under 1024-bit should not be used at all; if you currently have these in use, you should rotate them OUT of use, immediately.

 

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